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2 Zn + Fe(NO3)2 = 2 Zn(NO3) + Fe
H4SiO4 + Ca(OH)2 = H2O + Ca2H2Si2O7 =>
2 H4SiO4 + 2 Ca(OH)2 = 5 H2O + Ca2H2Si2O7
Na + Zn + H2 + O2 = Na2[Zn(OH)4] =>
2 Na + Zn + 2 H2 + 2 O2 = Na2[Zn(OH)4]
Bi{3+}(aq) + Fe{3+}(aq) + H2O = BiO3{-} + Fe{2+} + H{+}(aq =>
Bi{3+}(aq) + 2 Fe{3+}(aq) + 3 H2O = BiO3{-} + 2 Fe{2+} + 6 H{+}(aq
H{+} + NiO4{-2} + CaS5 = Ni(OH)3 + Ca{+2} + H2O + S =>
10 H{+} + 2 NiO4{-2} + 3 CaS5 = 2 Ni(OH)3 + 3 Ca{+2} + 2 H2O + 15 S
FeCl + Ba(OH) = Fe(OH)BaCl =>
FeCl + Ba(OH) = Fe(OH)BaCl
NaI(aq) + Br2(l) = NaBr(aq) + I2(aq) =>
2 NaI(aq) + Br2(l) = 2 NaBr(aq) + I2(aq)
H2O + B2O = BOH =>
H2O + B2O = 2 BOH
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
C6H5CH3 + KMnO4 + H2O = C6H5OH + MnO2 + KOH =>
18 C6H5CH3 + 20 KMnO4 + H2O = 21 C6H5OH + 20 MnO2 + 20 KOH
HCl + CrSO3 = CrCl2 + H2O + SO2 =>
2 HCl + CrSO3 = CrCl2 + H2O + SO2
Mg(OH)2 + H2O + SO2 = MgSO3*6H2O =>
Mg(OH)2 + 5 H2O + SO2 = MgSO3*6H2O
S3 + H2O = HS + OH =>
S3 + 3 H2O = 3 HS + 3 OH
Tl2CO3 + CoCO3 + H2SO4 = Tl2Co2(SO4)3 + CO2 + H2O =>
Tl2CO3 + 2 CoCO3 + 3 H2SO4 = Tl2Co2(SO4)3 + 3 CO2 + 3 H2O
LiCl(aq) + (NH4)3PO4(aq) = Li3PO4(aq) + NH4Cl(aq) =>
3 LiCl(aq) + (NH4)3PO4(aq) = Li3PO4(aq) + 3 NH4Cl(aq)
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
Mg + N = Mg3N2 =>
3 Mg + 2 N = Mg3N2
K2Cr2O7 + HCl = KCl + H2O + Cl2 + CrCl3 =>
K2Cr2O7 + 14 HCl = 2 KCl + 7 H2O + 3 Cl2 + 2 CrCl3
Mg(s) + HCl(l) = MgCl(l) + H2(g) =>
2 Mg(s) + 2 HCl(l) = 2 MgCl(l) + H2(g)
NH4Cl + NaOH = NaCl + NH3 + H2O =>
NH4Cl + NaOH = NaCl + NH3 + H2O
Cl{-} + H2O = HCl + OH{-} =>
Cl{-} + H2O = HCl + OH{-}
(CO2) + H2O = H2CO3 =>
(CO2) + H2O = H2CO3
CaCl2 + NH4Cl + K4[Fe(CN)6] = Ca(NH4)2[Fe(CN)6] + KCl =>
CaCl2 + 2 NH4Cl + K4[Fe(CN)6] = Ca(NH4)2[Fe(CN)6] + 4 KCl
Cu + Pb(No3)2 = CuNo32 + Pb =>
3 Cu + 16 Pb(No3)2 = 3 CuNo32 + 16 Pb
SrCl2(aq) + Al2(SO4)3(aq) = SrSO4(aq) + AlCl3(aq) =>
3 SrCl2(aq) + Al2(SO4)3(aq) = 3 SrSO4(aq) + 2 AlCl3(aq)
LiSO3 = Li + SO3 =>
LiSO3 = Li + SO3
BI3 + NMe3 = BNMe3 + I2 =>
2 BI3 + 2 NMe3 = 2 BNMe3 + 3 I2
C3H8 + O2 = CO2C + H2O =>
2 C3H8 + 7 O2 = 3 CO2C + 8 H2O
C6H5COOH + OO = CO2 + H2O =>
2 C6H5COOH + 15 OO = 14 CO2 + 6 H2O
H3BO3 + NH3 = NH4BO2 + H2O =>
H3BO3 + NH3 = NH4BO2 + H2O
HNO2 + Ag(OH) = AgNO2 + H2O =>
HNO2 + Ag(OH) = AgNO2 + H2O
Ca(s) + HOH(l) = Ca{2+}(aq) + OH{-}(aq) + H2(g) =>
Ca(s) + 2 HOH(l) = Ca{2+}(aq) + 2 OH{-}(aq) + H2(g)
ZnCl2(l) + Na2S(l) = NaCl + ZnS =>
ZnCl2(l) + Na2S(l) = 2 NaCl + ZnS
FeS + MnO4{-} + H{+} = Fe{3+} + SO4{2-} + Mn{2+} + H2O =>
5 FeS + 9 MnO4{-} + 32 H{+} = 5 Fe{3+} + 5 SO4{2-} + 9 Mn{2+} + 16 H2O
NaOH + H2SO4 = NaSO4 + H2S + H2O =>
8 NaOH + 9 H2SO4 = 8 NaSO4 + H2S + 12 H2O
CuO + NaOH + H2O = Na2[Cu(OH)4] =>
CuO + 2 NaOH + H2O = Na2[Cu(OH)4]
C2H2 + N2O = C02 + N2 + H2O =>
C2H2 + N2O = C02 + N2 + H2O
Ba(NO2)2 + Li(NO3) = Ba(NO3)2 + Li(NO2) =>
Ba(NO2)2 + 2 Li(NO3) = Ba(NO3)2 + 2 Li(NO2)
NaOH + H2S + J2 = Na2SO4 + NaJ + H2O =>
10 NaOH + H2S + 4 J2 = Na2SO4 + 8 NaJ + 6 H2O
Ca + HNO3 = Ca(NO3)2 + H2O + NHN4O3 =>
10 Ca + 25 HNO3 = 10 Ca(NO3)2 + 12 H2O + NHN4O3
MgO + HCl = MgHCl + O =>
MgO + HCl = MgHCl + O
CH3CHCH2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 CH3CHCH2 + 18 KMnO4 + 27 H2SO4 = 15 CO2 + 18 MnSO4 + 9 K2SO4 + 42 H2O
C(s) + S(s) + KNO3(s) = CO2(g) + N2(g) + K2S(s) =>
3 C(s) + S(s) + 2 KNO3(s) = 3 CO2(g) + N2(g) + K2S(s)
HCl + Hg2(NO3)2 + NH3 = HNO3 + H2Cl + NHHg =>
2 HCl + Hg2(NO3)2 + 2 NH3 = 2 HNO3 + 2 H2Cl + 2 NHHg
CuSO4 = O + S + Cu =>
CuSO4 = 4 O + S + Cu
Pb(C2H3O2)2 + Na2CO3 = Pb(CO3)2 + Na2C2H3O2 =>
Pb(C2H3O2)2 + 2 Na2CO3 = Pb(CO3)2 + 2 Na2C2H3O2
H2SO4 + CaHO = H3O + CaSO4 =>
H2SO4 + CaHO = H3O + CaSO4
Fe{+2} + MnO4{-} = Fe(MnO4)2 =>
Fe{+2} + 2 MnO4{-} = Fe(MnO4)2
Na[Cr(OH)4] + NaClO + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na[Cr(OH)4] + 3 NaClO + 2 NaOH = 2 Na2CrO4 + 3 NaCl + 5 H2O
HCHO + AgOH = HCO + Ag + H2O =>
HCHO + AgOH = HCO + Ag + H2O
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